# Sustainable Supplier Selection Based on Regret Theory and QUALIFLEX Method

> Research article (International Journal of Computational Intelligence Systems, 2020) · cited 19× · AI/ML

**Wikidata**: [openalex:W3047745874](https://www.wikidata.org/wiki/openalex:W3047745874)  
**Source**: https://4ort.xyz/entity/sustainable-supplier-selection-based-on-regret-theory-and-qualiflex-method